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https://github.com/ZDoom/gzdoom.git
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159 lines
4.8 KiB
C
159 lines
4.8 KiB
C
/* Compiler.h : Compiler specific defines and pragmas
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2023-04-02 : Igor Pavlov : Public domain */
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#ifndef ZIP7_INC_COMPILER_H
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#define ZIP7_INC_COMPILER_H
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#if defined(__clang__)
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# define Z7_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
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#endif
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#if defined(__clang__) && defined(__apple_build_version__)
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# define Z7_APPLE_CLANG_VERSION Z7_CLANG_VERSION
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#elif defined(__clang__)
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# define Z7_LLVM_CLANG_VERSION Z7_CLANG_VERSION
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#elif defined(__GNUC__)
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# define Z7_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
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#endif
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#ifdef _MSC_VER
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#if !defined(__clang__) && !defined(__GNUC__)
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#define Z7_MSC_VER_ORIGINAL _MSC_VER
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#endif
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#endif
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#if defined(__MINGW32__) || defined(__MINGW64__)
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#define Z7_MINGW
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#endif
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// #pragma GCC diagnostic ignored "-Wunknown-pragmas"
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#ifdef __clang__
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// padding size of '' with 4 bytes to alignment boundary
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#pragma GCC diagnostic ignored "-Wpadded"
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#endif
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#ifdef _MSC_VER
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#ifdef UNDER_CE
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#define RPC_NO_WINDOWS_H
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/* #pragma warning(disable : 4115) // '_RPC_ASYNC_STATE' : named type definition in parentheses */
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#pragma warning(disable : 4201) // nonstandard extension used : nameless struct/union
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#pragma warning(disable : 4214) // nonstandard extension used : bit field types other than int
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#endif
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#if defined(_MSC_VER) && _MSC_VER >= 1800
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#pragma warning(disable : 4464) // relative include path contains '..'
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#endif
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// == 1200 : -O1 : for __forceinline
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// >= 1900 : -O1 : for printf
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#pragma warning(disable : 4710) // function not inlined
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#if _MSC_VER < 1900
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// winnt.h: 'Int64ShllMod32'
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#pragma warning(disable : 4514) // unreferenced inline function has been removed
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#endif
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#if _MSC_VER < 1300
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// #pragma warning(disable : 4702) // unreachable code
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// Bra.c : -O1:
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#pragma warning(disable : 4714) // function marked as __forceinline not inlined
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#endif
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/*
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#if _MSC_VER > 1400 && _MSC_VER <= 1900
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// strcat: This function or variable may be unsafe
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// sysinfoapi.h: kit10: GetVersion was declared deprecated
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#pragma warning(disable : 4996)
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#endif
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*/
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#if _MSC_VER > 1200
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// -Wall warnings
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#pragma warning(disable : 4711) // function selected for automatic inline expansion
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#pragma warning(disable : 4820) // '2' bytes padding added after data member
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#if _MSC_VER >= 1400 && _MSC_VER < 1920
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// 1400: string.h: _DBG_MEMCPY_INLINE_
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// 1600 - 191x : smmintrin.h __cplusplus'
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// is not defined as a preprocessor macro, replacing with '0' for '#if/#elif'
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#pragma warning(disable : 4668)
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// 1400 - 1600 : WinDef.h : 'FARPROC' :
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// 1900 - 191x : immintrin.h: _readfsbase_u32
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// no function prototype given : converting '()' to '(void)'
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#pragma warning(disable : 4255)
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#endif
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#if _MSC_VER >= 1914
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// Compiler will insert Spectre mitigation for memory load if /Qspectre switch specified
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#pragma warning(disable : 5045)
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#endif
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#endif // _MSC_VER > 1200
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#endif // _MSC_VER
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#if defined(__clang__) && (__clang_major__ >= 4)
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#define Z7_PRAGMA_OPT_DISABLE_LOOP_UNROLL_VECTORIZE \
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_Pragma("clang loop unroll(disable)") \
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_Pragma("clang loop vectorize(disable)")
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#define Z7_ATTRIB_NO_VECTORIZE
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#elif defined(__GNUC__) && (__GNUC__ >= 5)
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#define Z7_ATTRIB_NO_VECTORIZE __attribute__((optimize("no-tree-vectorize")))
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// __attribute__((optimize("no-unroll-loops")));
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#define Z7_PRAGMA_OPT_DISABLE_LOOP_UNROLL_VECTORIZE
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#elif defined(_MSC_VER) && (_MSC_VER >= 1920)
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#define Z7_PRAGMA_OPT_DISABLE_LOOP_UNROLL_VECTORIZE \
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_Pragma("loop( no_vector )")
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#define Z7_ATTRIB_NO_VECTORIZE
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#else
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#define Z7_PRAGMA_OPT_DISABLE_LOOP_UNROLL_VECTORIZE
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#define Z7_ATTRIB_NO_VECTORIZE
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#endif
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#if defined(MY_CPU_X86_OR_AMD64) && ( \
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defined(__clang__) && (__clang_major__ >= 4) \
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|| defined(__GNUC__) && (__GNUC__ >= 5))
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#define Z7_ATTRIB_NO_SSE __attribute__((__target__("no-sse")))
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#else
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#define Z7_ATTRIB_NO_SSE
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#endif
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#define Z7_ATTRIB_NO_VECTOR \
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Z7_ATTRIB_NO_VECTORIZE \
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Z7_ATTRIB_NO_SSE
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#if defined(__clang__) && (__clang_major__ >= 8) \
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|| defined(__GNUC__) && (__GNUC__ >= 1000) \
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/* || defined(_MSC_VER) && (_MSC_VER >= 1920) */
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// GCC is not good for __builtin_expect()
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#define Z7_LIKELY(x) (__builtin_expect((x), 1))
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#define Z7_UNLIKELY(x) (__builtin_expect((x), 0))
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// #define Z7_unlikely [[unlikely]]
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// #define Z7_likely [[likely]]
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#else
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#define Z7_LIKELY(x) (x)
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#define Z7_UNLIKELY(x) (x)
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// #define Z7_likely
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#endif
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#if (defined(Z7_CLANG_VERSION) && (Z7_CLANG_VERSION >= 36000))
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#define Z7_DIAGNOSCTIC_IGNORE_BEGIN_RESERVED_MACRO_IDENTIFIER \
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_Pragma("GCC diagnostic push") \
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_Pragma("GCC diagnostic ignored \"-Wreserved-macro-identifier\"")
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#define Z7_DIAGNOSCTIC_IGNORE_END_RESERVED_MACRO_IDENTIFIER \
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_Pragma("GCC diagnostic pop")
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#else
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#define Z7_DIAGNOSCTIC_IGNORE_BEGIN_RESERVED_MACRO_IDENTIFIER
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#define Z7_DIAGNOSCTIC_IGNORE_END_RESERVED_MACRO_IDENTIFIER
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#endif
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#define UNUSED_VAR(x) (void)x;
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/* #define UNUSED_VAR(x) x=x; */
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#endif
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